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. 2019 Aug 1;20(15):3772. doi: 10.3390/ijms20153772

Figure 2.

Figure 2

Effects of Se and Cd treatments on antioxidant capacity of tobacco. (A) nitroblue tetrazolium (NBT) staining of tobacco seedlings under different Se (Ⅳ) and Cd (Ⅱ) concentration supply conditions; (B) the content of MDA of tobacco seedlings under different Se (Ⅳ) and Cd (Ⅱ) concentration supply conditions; (C) the SPAD of the third young leaf of tobacco seedlings under different Se (Ⅳ) and Cd (Ⅱ) concentration supply conditions; 14-days-old seedlings (wild-type, Yunyan 87) were grown in pot with sand under different Se (0, 10, 50 μM) and Cd (0, 20, 50 μM) concentrations for 21 days. Se0: no Se; Se10: Se, 10 μM; Se50: Se, 50 μM; Cd0: no Cd; Cd20: Cd, 20 μM; Cd50: Cd, 50 μM. Shown are mean ± SD from five biological replicates. Different letters indicate significant differences (p < 0.05).